<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title></title>
	</head>
	<body>
		
		
		<script>
			function show(){
				return function(){
					var str=1;
					return [str,function(){
						var str1=6;
						return [str1,function(){
							
						
						return function(){
							var str3=8;
							return str+str1+str3
						}
						}]
					}]
				}
			}
			alert(show()()[1]()[1]()())
		</script>
	</body>
</html>
